Xin Lang Cai Jing·2025-09-17 03:58Core Insights - China Petroleum & Chemical Corporation (Sinopec) has made significant progress in the "Deep Earth Engineering: Sichuan-Chongqing Natural Gas Base," with two evaluation wells in the Sichuan Ziyang shale gas field exceeding production of one million cubic meters, setting a new record for shale gas testing in China [1] Group 1: Production Achievements - The Ziyang 2-501HF well achieved a daily gas production of 1.407 million cubic meters, marking the highest testing production record for shale gas in China [1] - Three wells have been put into production on the platform where the two evaluation wells are located, with each well maintaining a stable daily gas production of over 150,000 cubic meters, indicating a promising outlook for the development of ultra-deep shale gas in the Sichuan Basin [1] Group 2: Geological Insights - The main layer for shale gas development in China has been the Silurian system, while the current well group is targeting the Cambrian system, which dates back 540 million years, representing the oldest shale system for large-scale exploration globally [1] - The successful exploration of Cambrian shale gas at Ziyang 2 wells is a significant breakthrough, and Sinopec's Southwest Petroleum Bureau is continuing to implement the first ultra-deep shale gas development test well group on the same platform [1] Group 3: Strategic Developments - The combination of "natural fractures + artificial fractures" has unlocked nearly 5,000 meters of ultra-deep shale gas reservoirs, with both Ziyang 2-501HF and 502HF wells yielding high gas flow, opening the door for the effective development of high-quality gas resources in Ziyang [1] - Sinopec's Chief Engineering Master, Guo Tonglou, stated that the high production from Cambrian shale gas represents a strategic breakthrough in the breadth and depth of shale gas exploration and development, confirming the potential for large-scale reserves and production [1]